republicans are ready to blame president obama when the market goes down. are they now going to say, thank you, president obama? when the market goes up? don't hold your breath. we will tell you about that and a whole lot more including the latest on global warming here at the top of the hour. but first, we get today's current news update from lisa ferguson out in los angeles. hi, lisa. good morning. >> hey, bill. good morning, everyone. the senate judiciary committee is holding its first hearing on gun violence today. nra ceo wayne lapiere and mark kelly and giffords herself could make a surprise appearance. the couple launched their gun control advocacy group americans for responsible solutions earlier this morningnth and visited newtown connecticut following the mass shooting. today's hearing is expected to be highly incendiary. some of the most staunchly divided lawmakers. and ted cruz and john cornyn of supporters of second amendment rights. a new bill is gaining contraction on the hill. a bi-partisan group of senators including tom co burning, mark ki